Among the biggest movers was Herbalife Ltd., rising 31 percent to $37. Shares of the Los Angeles weight loss and nutritional supplement maker began recovering from attacks by a noted hedge fund trader who was shorting the stock.

On Assignment Inc. rose 15 percent to $22.63. The Calabasas staffing company was among several executive search firms whose stock was boosted by Friday’s jobs report.

Among the biggest decliners was Dole Food Co. Inc., which fell 13 percent to $9.83. An analyst downgraded shares of the Westlake fruit and vegetable grower and packager after the company said profit from its fruit unit was declining.

THQ Inc. fell 7 percent to 29 cents. The Agoura Hills video game developer is facing opposition to its Chapter 11 bankruptcy plan from a group of unsecured note holders and from the U.S. Trustee.